Home / 22,122.51-30,527.88-12,562.14

Finding the Fourth Proportional to 22,122.51, 30,527.88 and 12,562.14

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Solution

The fourth proportional to 22,122.51, 30,527.88 and 12,562.14 is: 17,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.51 : 30,527.88 = 12,562.14 : x
  2. Step 2: Convert to fraction form
    22,122.51/30,527.88 = 12,562.14/x
  3. Step 3: Cross multiply
    22,122.51x = 30,527.88 × 12,562.14
  4. Step 4: Simplify right side
    22,122.51x = 383,495,502.46
  5. Step 5: Solve for x
    x = 383,495,502.46/22,122.51
  6. Step 6: Final answer
    x = 17,335.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.